Confidence Intervals >> Calculate sample size necessary to achieve specified margin of error
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| APPLET | SOURCE | DESCRIPTION |
| Sample size required for estimating a proportion with relative margin of error | Stattucino (Berrie) | Sample size calculator for a confidence interval for a proportion using a relative margin of error, has finite population option. more |
| One sample CI for the variance | Dept of Statistics, Texas A&M University | For a confidence interval for the variance, computes sample size for a specified margin of error or vise versa. more |